var valClient = 0;
var valCategory = 0;

function filterImages(){
	var org_table = document.getElementById("results2");
	var filter_table = document.getElementById("results_filter");
	var filter_pag = document.getElementById("pageNavPosition3");
	var org_pag = document.getElementById("pageNavPosition2");
	
	for(i=0;i<5;i++){
		if (i == valCategory){
			document.getElementById("category_"+i).style.color = "#db2f2f";
		}else{
			document.getElementById("category_"+i).style.color = "#251a1a";
		}
	}
		
	if (valClient > 0 || valCategory > 0){
		var images = new Array();
		if (valClient > 0 && valCategory > 0){
			images = document.getElementsByName('img_'+valClient+'_'+valCategory);
		}else if (valClient > 0){
			for(i=0;i<5;i++){
				var tempArr = document.getElementsByName('img_'+valClient+'_'+i);
				for(j=0;j<tempArr.length;j++){
					images.push(tempArr[j]);
				}
			}
		}else if (valCategory > 0){
			for(i=1;i<16;i++){
				var tempArr = document.getElementsByName('img_'+i+'_'+valCategory);
				for(j=0;j<tempArr.length;j++){
					images.push(tempArr[j]);
				}
			}
		}
		
		while(filter_table.rows.length>0){ 
			filter_table.deleteRow(filter_table.rows.length-1);
		}
		
		var rows = 0;
		var odd_num = 0;
		if (images.length > 0){
			if (images.length == 1){
				rows = 1;
				odd_num = 1;
			}else if (images.length%2 == 0){
				rows = images.length/2;
			}else{
				rows = parseInt(images.length/2+1);
				odd_num = 1;
			}
		}
		
		var t = 0;
		for(i=0;i<rows;i++){
			var oTR = filter_table.insertRow(i);
			for(j=0;j<2;j++){
				var oTD = oTR.insertCell(j);      
				if (i == rows-1 && j == 1 && odd_num == 1){
					oTD.innerHTML="&nbsp;";
				}else{
					var text = images[t].innerHTML;
					var text1 = text.replace(/gallery/g, 'gallery2');
					oTD.innerHTML = text1;
				}
				t = t + 1;
			}
        }
		
		pager3.init(); 
		pager3.showPageNav('pager3', 'pageNavPosition3'); 
		pager3.showPage(1);
		
		org_table.style.display = 'none';
		filter_table.style.display = '';
		org_pag.style.display = 'none';
		if (images.length > 8){
			filter_pag.style.display = '';
		}else{
			filter_pag.style.display = 'none';
		}
		
		$(function() {
			$('#gallery2 a').lightBox();
		});
	}else{
		pager2.init(); 
		pager2.showPageNav('pager2', 'pageNavPosition2'); 
		pager2.showPage(1);
		filter_table.style.display = 'none';
		org_table.style.display = '';
		filter_pag.style.display = 'none';
		org_pag.style.display = '';
	}
}

function Pager(tableName, itemsPerPage) {
    this.tableName = tableName;
    this.itemsPerPage = itemsPerPage;
    this.currentPage = 1;
    this.pages = 0;
    this.inited = false;
    
    this.showRecords = function(from, to) {        
        var rows = document.getElementById(tableName).rows;
        // i starts from 1 to skip table header row
        for (var i = 1; i < rows.length; i++) {
            if (i < from || i > to)  
                rows[i].style.display = 'none';
            else
                rows[i].style.display = '';
        }
    }
    
    this.showPage = function(pageNumber) {
    	if (! this.inited) {
    		alert("not inited");
    		return;
    	}

        this.currentPage = pageNumber;
        var from = (pageNumber - 1) * itemsPerPage + 1;
        var to = from + itemsPerPage - 1;
        this.showRecords(from, to);
		this.showPageNav('pager', 'pageNavPosition');
    }   
    
    this.prev = function() {
        if (this.currentPage > 1){
            this.showPage(this.currentPage - 1);
		}
    }
    
    this.next = function() {
		if (this.currentPage < this.pages) {
            this.showPage(this.currentPage + 1);
        }
    }                        
    
    this.init = function() {
        var rows = document.getElementById(tableName).rows;
        var records = (rows.length - 1); 
        this.pages = Math.ceil(records / itemsPerPage);
        this.inited = true;
    }

    this.showPageNav = function(pagerName, positionId) {
    	if (! this.inited) {
    		alert("not inited");
    		return;
    	}
    	var element = document.getElementById(positionId);
		
		var pagerHtml = '<span onclick="' + pagerName + '.prev();" class="worksNavLeft"></span>';
		pagerHtml += '<span class="worksNavText">&nbsp;'+this.currentPage+'&nbsp;/&nbsp;'+this.pages+'&nbsp;</span>';
		pagerHtml += '<span onclick="'+pagerName+'.next();" class="worksNavRight"></span>';       
        
        element.innerHTML = pagerHtml;
    }
}

function Pager2(tableName, itemsPerPage) {
    this.tableName = tableName;
    this.itemsPerPage = itemsPerPage;
    this.currentPage = 1;
    this.pages = 0;
    this.inited = false;
    
    this.showRecords = function(from, to) {        
        var rows = document.getElementById(tableName).rows;
        // i starts from 1 to skip table header row
        for (var i = 1; i < rows.length; i++) {
            if (i < from || i > to)  
                rows[i].style.display = 'none';
            else
                rows[i].style.display = '';
        }
    }
    
    this.showPage = function(pageNumber) {
    	if (! this.inited) {
    		alert("not inited");
    		return;
    	}

        this.currentPage = pageNumber;
        var from = (pageNumber - 1) * itemsPerPage + 1;
        var to = from + itemsPerPage - 1;
        this.showRecords(from, to);
		this.showPageNav('pager2', 'pageNavPosition2');
    }   
    
    this.prev = function() {
        if (this.currentPage > 1){
            this.showPage(this.currentPage - 1);
		}
    }
    
    this.next = function() {
		if (this.currentPage < this.pages) {
            this.showPage(this.currentPage + 1);
        }
    }                        
    
    this.init = function() {
        var rows = document.getElementById(tableName).rows;
        var records = (rows.length - 1); 
        this.pages = Math.ceil(records / itemsPerPage);
        this.inited = true;
    }

    this.showPageNav = function(pagerName, positionId) {
    	if (! this.inited) {
    		alert("not inited");
    		return;
    	}
    	var element = document.getElementById(positionId);
		
		var pagerHtml = '<span onclick="' + pagerName + '.prev();" class="worksNavLeft"></span>';
		pagerHtml += '<span class="worksNavText">&nbsp;'+this.currentPage+'&nbsp;/&nbsp;'+this.pages+'&nbsp;</span>';
		pagerHtml += '<span onclick="'+pagerName+'.next();" class="worksNavRight"></span>';       
        
        element.innerHTML = pagerHtml;
    }
}

function Pager3(tableName, itemsPerPage) {
    this.tableName = tableName;
    this.itemsPerPage = itemsPerPage;
    this.currentPage = 1;
    this.pages = 0;
    this.inited = false;
    
    this.showRecords = function(from, to) {        
        var rows = document.getElementById(tableName).rows;
        // i starts from 1 to skip table header row
        for (var i = 0; i < rows.length; i++) {
            if (i < from || i > to)  
                rows[i].style.display = 'none';
            else
                rows[i].style.display = '';
        }
    }
    
    this.showPage = function(pageNumber) {
    	if (! this.inited) {
    		alert("not inited");
    		return;
    	}

        this.currentPage = pageNumber;
        var from = (pageNumber - 1) * itemsPerPage;
        var to = from + itemsPerPage - 1;
        this.showRecords(from, to);
		this.showPageNav('pager3', 'pageNavPosition3');
    }   
    
    this.prev = function() {
        if (this.currentPage > 1){
            this.showPage(this.currentPage - 1);
		}
    }
    
    this.next = function() {
		if (this.currentPage < this.pages) {
            this.showPage(this.currentPage + 1);
        }
    }                        
    
    this.init = function() {
        var rows = document.getElementById(tableName).rows;
        var records = (rows.length); 
        this.pages = Math.ceil(records / itemsPerPage);
        this.inited = true;
    }

    this.showPageNav = function(pagerName, positionId) {
    	if (! this.inited) {
    		alert("not inited");
    		return;
    	}
    	var element = document.getElementById(positionId);
		
		var pagerHtml = '<span onclick="' + pagerName + '.prev();" class="worksNavLeft"></span>';
		pagerHtml += '<span class="worksNavText">&nbsp;'+this.currentPage+'&nbsp;/&nbsp;'+this.pages+'&nbsp;</span>';
		pagerHtml += '<span onclick="'+pagerName+'.next();" class="worksNavRight"></span>';       
        
        element.innerHTML = pagerHtml;
    }
}

function Pager4(tableName, itemsPerPage) {
    this.tableName = tableName;
    this.itemsPerPage = itemsPerPage;
    this.currentPage = 1;
    this.pages = 0;
    this.inited = false;
    
    this.showRecords = function(from, to) {        
        var rows = document.getElementById(tableName).rows;
        // i starts from 1 to skip table header row
        for (var i = 1; i < rows.length; i++) {
            if (i < from || i > to)  
                rows[i].style.display = 'none';
            else
                rows[i].style.display = '';
        }
    }
    
    this.showPage = function(pageNumber) {
    	if (! this.inited) {
    		alert("not inited");
    		return;
    	}

        this.currentPage = pageNumber;
        var from = (pageNumber - 1) * itemsPerPage + 1;
        var to = from + itemsPerPage - 1;
        this.showRecords(from, to);
		this.showPageNav('pager4', 'pageNavPosition4');
    }   
    
    this.prev = function() {
        if (this.currentPage > 1){
            this.showPage(this.currentPage - 1);
		}
    }
    
    this.next = function() {
		if (this.currentPage < this.pages) {
            this.showPage(this.currentPage + 1);
        }
    }                        
    
    this.init = function() {
        var rows = document.getElementById(tableName).rows;
        var records = (rows.length - 1); 
        this.pages = Math.ceil(records / itemsPerPage);
        this.inited = true;
    }

    this.showPageNav = function(pagerName, positionId) {
    	if (! this.inited) {
    		alert("not inited");
    		return;
    	}
    	var element = document.getElementById(positionId);
		
		var pagerHtml = '<span onclick="' + pagerName + '.prev();" class="worksNavLeft"></span>';
		pagerHtml += '<span class="worksNavText">&nbsp;'+this.currentPage+'&nbsp;/&nbsp;'+this.pages+'&nbsp;</span>';
		pagerHtml += '<span onclick="'+pagerName+'.next();" class="worksNavRight"></span>';       
        
        element.innerHTML = pagerHtml;
    }
}

function Pager5(tableName, itemsPerPage) {
    this.tableName = tableName;
    this.itemsPerPage = itemsPerPage;
    this.currentPage = 1;
    this.pages = 0;
    this.inited = false;
    
    this.showRecords = function(from, to) {        
        var rows = document.getElementById(tableName).rows;
        // i starts from 1 to skip table header row
        for (var i = 1; i < rows.length; i++) {
            if (i < from || i > to)  
                rows[i].style.display = 'none';
            else
                rows[i].style.display = '';
        }
    }
    
    this.showPage = function(pageNumber) {
    	if (! this.inited) {
    		alert("not inited");
    		return;
    	}

        this.currentPage = pageNumber;
        var from = (pageNumber - 1) * itemsPerPage + 1;
        var to = from + itemsPerPage - 1;
        this.showRecords(from, to);
		this.showPageNav('pager5', 'pageNavPosition5');
    }   
    
    this.prev = function() {
        if (this.currentPage > 1){
            this.showPage(this.currentPage - 1);
		}
    }
    
    this.next = function() {
		if (this.currentPage < this.pages) {
            this.showPage(this.currentPage + 1);
        }
    }                        
    
    this.init = function() {
        var rows = document.getElementById(tableName).rows;
        var records = (rows.length - 1); 
        this.pages = Math.ceil(records / itemsPerPage);
        this.inited = true;
    }

    this.showPageNav = function(pagerName, positionId) {
    	if (! this.inited) {
    		alert("not inited");
    		return;
    	}
    	var element = document.getElementById(positionId);
		
		var pagerHtml = '<span onclick="' + pagerName + '.prev();" class="worksNavLeft"></span>';
		pagerHtml += '<span class="worksNavText">&nbsp;'+this.currentPage+'&nbsp;/&nbsp;'+this.pages+'&nbsp;</span>';
		pagerHtml += '<span onclick="'+pagerName+'.next();" class="worksNavRight"></span>';       
        
        element.innerHTML = pagerHtml;
    }
}


function Pager6(tableName, itemsPerPage) {
    this.tableName = tableName;
    this.itemsPerPage = itemsPerPage;
    this.currentPage = 1;
    this.pages = 0;
    this.inited = false;
    
    this.showRecords = function(from, to) {        
        var rows = document.getElementById(tableName).rows;
        // i starts from 1 to skip table header row
        for (var i = 1; i < rows.length; i++) {
            if (i < from || i > to)  
                rows[i].style.display = 'none';
            else
                rows[i].style.display = '';
        }
    }
    
    this.showPage = function(pageNumber) {
    	if (! this.inited) {
    		alert("not inited");
    		return;
    	}

        this.currentPage = pageNumber;
        var from = (pageNumber - 1) * itemsPerPage + 1;
        var to = from + itemsPerPage - 1;
        this.showRecords(from, to);
		this.showPageNav('pager6', 'pageNavPosition6');
    }   
    
    this.prev = function() {
        if (this.currentPage > 1){
            this.showPage(this.currentPage - 1);
		}
    }
    
    this.next = function() {
		if (this.currentPage < this.pages) {
            this.showPage(this.currentPage + 1);
        }
    }                        
    
    this.init = function() {
        var rows = document.getElementById(tableName).rows;
        var records = (rows.length - 1); 
        this.pages = Math.ceil(records / itemsPerPage);
        this.inited = true;
    }

    this.showPageNav = function(pagerName, positionId) {
    	if (! this.inited) {
    		alert("not inited");
    		return;
    	}
    	var element = document.getElementById(positionId);
		
		var pagerHtml = '<span onclick="' + pagerName + '.prev();" class="worksNavLeft"></span>';
		pagerHtml += '<span class="worksNavText">&nbsp;'+this.currentPage+'&nbsp;/&nbsp;'+this.pages+'&nbsp;</span>';
		pagerHtml += '<span onclick="'+pagerName+'.next();" class="worksNavRight"></span>';       
        
        element.innerHTML = pagerHtml;
    }
}