function DL_GetElementLeft(eElement){
    if (!eElement && this)                       
    {                                            
        eElement = this;                         
    }                                            
    
    var nLeftPos = eElement.offsetLeft;          
    var eParElement = eElement.offsetParent;     
    while (eParElement != null)
    {                                            
        nLeftPos += eParElement.offsetLeft;      
        eParElement = eParElement.offsetParent;  
    }
    return nLeftPos;                             
}

function DL_GetElementTop(eElement){
    if (!eElement && this)
    {
        eElement = this;
    }

    var nTopPos = eElement.offsetTop;
    var eParElement = eElement.offsetParent;
    while (eParElement != null)
    {
        nTopPos += eParElement.offsetTop;
        eParElement = eParElement.offsetParent;
    }
    return nTopPos;
}
function Left(str, n){
	if (n <= 0)
	    return "";
	else if (n > String(str).length)
	    return str;
	else
	    return String(str).substring(0,n);
}
function Right(str, n){
    if (n <= 0)
       return "";
    else if (n > String(str).length)
       return str;
    else {
       var iLen = String(str).length;
       return String(str).substring(iLen, iLen - n);
    }
}
function dateDifference(strDate1,strDate2){
     datDate1= Date.parse(strDate1);
     datDate2= Date.parse(strDate2);
     return (datDate2-datDate1)/(24*60*60*1000);
}
function generateGuid()
{
var result, i, j;
result = '';
for(j=0; j<32; j++)
{
if( j == 8 || j == 12|| j == 16|| j == 20)
result = result + '-';
i = Math.floor(Math.random()*16).toString(16).toUpperCase();
result = result + i;
}
return result
}