// This file contains custom java script functions ---------JavaScript Document

	var checked=false;
	function checkall(field) {
		var divArray = document.getElementsByTagName("div");
		 if (checked == false){
			 var j=1;
			 for(i = 0; i < divArray.length; i++){
				 if(divArray[i].className == 'spec'+j){ 
					 if(divArray[i+1].className !='spec'+j){j++;}
					 divArray[i].style.display = '';
				 }
			 }
			   checked = true
		}
		else{
			var j=1;
			for(i = 0; i < divArray.length; i++){
				 if(divArray[i].className == 'spec'+j){ 
					 if(divArray[i+1].className !='spec'+j){j++;}
					 divArray[i].style.display = 'none';
				 }
			 }
			  checked = false
		}
		for (var i =0; i < field.length; i++){
		 field[i].checked = checked;
		}
	}
	
    function toggle(divId) {
       var divArray = document.getElementsByTagName("div");
           for(i = 0; i < divArray.length; i++){
               if(divArray[i].className == divId){
                  if(divArray[i].style.display != 'none'){
                      divArray[i].style.display = 'none';
                   }
				   else{
                       divArray[i].style.display = '';
                 }
           }
        }
      }

	function close_div(divId) {
		var ele = document.getElementById(divId);
				ele.style.display = "none";
	} 
	
	function UpdateCost(num_of_elem, base_value) {
	  var sum = 0;
	  var sum_options=0;
	  var gn, elem;
	  for (i=0; i<num_of_elem; i++) {
		gn = 'option'+i;
		elem = document.getElementById(gn);
		if (elem.checked == true) { sum_options += Number(elem.value); }
	  }
	  sum = base_value+sum_options;
	  document.getElementById("totaloptionsid").innerHTML = "$"+sum_options.toFixed(2);
	  document.getElementById("totalboxid").innerHTML = "$"+sum.toFixed(2);
	} 
	
	function ShowPicture(id,Source) {
		if (Source=="1"){
		if (document.layers) document.layers[''+id+''].visibility = "show"
		else if (document.all) document.all[''+id+''].style.visibility = "visible"
		else if (document.getElementById) document.getElementById(''+id+'').style.visibility = "visible"
		}
		else
		if (Source=="0"){
		if (document.layers) document.layers[''+id+''].visibility = "hide"
		else if (document.all) document.all[''+id+''].style.visibility = "hidden"
		else if (document.getElementById) document.getElementById(''+id+'').style.visibility = "hidden"
		}
	}