// JavaScript Document

var currImage = 1;
var totalImages = 52;
var cnt = 0;
var timHandle;
var speed = 10;

function ChangeImage(n){
	currImage = currImage + n;
	if(currImage>totalImages){ currImage = 1; }
	if(currImage<1){ currImage = totalImages; }
	document.getElementById('slide_img').src = 'search_imgs/art_b_' + currImage + '.jpg';
	//UpdateCounter();
	cnt = 0;
	if(n!=0){
		timHandle = window.setTimeout("TransitionMe()", speed);
	}
}



function UpdateCounter(){
	document.getElementById('counter').innerHTML = currImage + ' of ' + totalImages;
}

function TransitionMe(){
	cnt = (cnt+0.02);
	document.getElementById('slide_img').style.filter = 'alpha(opacity=' + (cnt*100) + ')';
	document.getElementById('slide_img').style.MozOpacity = cnt;
	document.getElementById('slide_img').style.opacity = cnt;
	timHandle = window.setTimeout("TransitionMe()", speed);
	if(cnt>=1){
		clearTimeout(timHandle);
	}
}

function chkall()
{
	if(document.searchForm.medium.value == "0" && document.searchForm.subject.value == "0" && document.searchForm.style.value == "0" && document.searchForm.size.value == "0" && document.searchForm.orient.value == "0")
	{
		alert("Please Select atleast one of the filter!");
		document.searchForm.medium.focus();
		return false; 
	}
	else{
	return true;}
}

var state = "none";
var price;
function converter()
{
	if(state == "none")
	{
	document.getElementById('cur_cont').style.display = "block";
	state = "block";
	}
	else
	{
		document.getElementById('cur_cont').style.display = "none";
	state = "none";
	}
	}
	
var cstate = "none";
function contact()
{
	if(cstate == "none")
	{
	document.getElementById('contact').style.display = "block";
	cstate = "block";
	}
	else
	{
		document.getElementById('contact').style.display = "none";
	cstate = "none";
	}
	}
	
  function isNumberKey(evt)
  {
	 var charCode = (evt.which) ? evt.which : event.keyCode
	 if (charCode > 31 && (charCode < 48 || charCode > 57))
		return false;

	 return true;
  }