function trim(stringToTrim){
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}

function isset(varname){
  return(typeof(eval(varname))!='undefined');
}

function roundNumber(num, len){
	var rnum = num;
	var rlength = len;
	var newnumber = Math.round(rnum*Math.pow(10,rlength))/Math.pow(10,rlength);
	return newnumber;
}

function substr_count(string,substring,start,length)
{
 var c = 0;
 if(start) { string = string.substr(start); }
 if(length) { string = string.substr(0,length); }
 for (var i=0;i<string.length;i++)
 {
  if(substring == string.substr(i,substring.length))
  c++;
 }
 return c;
}

function explode(item,delimiter)
{
	tempArray=new Array(1);
	var Count=0;
	var tempString=new String(item);
	while (tempString.indexOf(delimiter)>0) {
		tempArray[Count]=tempString.substr(0,tempString.indexOf(delimiter));
		tempString=tempString.substr(tempString.indexOf(delimiter)+1,tempString.length-tempString.indexOf(delimiter)+1);
		Count=Count+1
	}
	
	tempArray[Count]=tempString;
	return tempArray;
}

function checkEnter(e)
{
	key = e.keyCode;
	if (key == "13")
	{
		return true;
	}
	else { return false; }
}

function findPos(obj)
{
	var curleft = curtop = 0;
	if (obj.offsetParent)
	{
		curleft = obj.offsetLeft;
    	curtop = obj.offsetTop;
    	
		while (obj = obj.offsetParent)
		{
			curleft += obj.offsetLeft;
			curtop += obj.offsetTop;
		}
	}
	return [curleft, curtop];
}

function mover(el){
	el.style.backgroundColor='#d5fdcb';
}
function mout(el){
	el.style.backgroundColor=el.getAttribute('clr');
}

function showBaloon(id)
{
    $('#'+id).bt('fwefwefwefw',{
      padding: 20,
      width: 100,
      spikeLength: 40,
      spikeGirth: 40,
      cornerRadius: 40,
      fill: 'rgba(0, 0, 0, .8)',
      strokeWidth: 3,
      strokeStyle: '#CC0',
      cssStyles: {color: '#FFF', fontWeight: 'bold'}
    });
}

function getPageSize() {
	        
	     var xScroll, yScroll;
		
		if (window.innerHeight && window.scrollMaxY) {	
			xScroll = window.innerWidth + window.scrollMaxX;
			yScroll = window.innerHeight + window.scrollMaxY;
		} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
			xScroll = document.body.scrollWidth;
			yScroll = document.body.scrollHeight;
		} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
			xScroll = document.body.offsetWidth;
			yScroll = document.body.offsetHeight;
		}
		
		var windowWidth, windowHeight;
		
		if (self.innerHeight) {	// all except Explorer
			if(document.documentElement.clientWidth){
				windowWidth = document.documentElement.clientWidth; 
			} else {
				windowWidth = self.innerWidth;
			}
			windowHeight = self.innerHeight;
		} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
			windowWidth = document.documentElement.clientWidth;
			windowHeight = document.documentElement.clientHeight;
		} else if (document.body) { // other Explorers
			windowWidth = document.body.clientWidth;
			windowHeight = document.body.clientHeight;
		}	
		
		// for small pages with total height less then height of the viewport
		if(yScroll < windowHeight){
			pageHeight = windowHeight;
		} else { 
			pageHeight = yScroll;
		}
	
		// for small pages with total width less then width of the viewport
		if(xScroll < windowWidth){	
			pageWidth = xScroll;		
		} else {
			pageWidth = windowWidth;
		}

		return [pageWidth,pageHeight];
	}