function trim(str) 
{
var len;
var i;
var trimstr;
var finalstr;
trimstr=""; 
finalstr="";  
len=0;

len=str.length;
for (i=0;i<len;i++)
{
	trimstr=str.substr(i,1);
	if(trimstr==" ")
	{
	}
	else
	{
		if (finalstr=="")
			finalstr=trimstr;
		else
			finalstr=finalstr+trimstr;
	}
}
return (finalstr);
}


function chkdate()
{
	alert("Hello");
	/*var strlen=document[eval("obj")].value.length;
	if (strlen==10 ||strlen==9)
		{
		//alert("Hello");
		var i;
		var len=strlen;
		var dat=document[eval("obj")].value;
		var yr="";
		var mnth="";
		var day="";
		var cur_yr="";
		var cur_mnth="";
		var cur_day="";
	
		yr=dat.substr(6,4);    //getting year
		mnth=dat.substr(3,2);  //getting month
		day=dat.substr(0,2);   //getting day
		date_chk=yr+"-"+mnth+"-"+day;
			
		d=new Date();
		cur_yr=d.getYear();       //getting current year  
		cur_mnth=d.getMonth()+1;  //getting current year
		cur_day=d.getDate();      //getting current year 
		//cur_date=cur_yr+"-"+cur_mnth+"-"+cur_day;
	
		if (yr > cur_yr)        //comparing year
		{
			alert ("Selected date should not be greater than current date");
			document[eval("obj")].value="";
			//this.frm.txtdate.focus();
			return false;
		}
		else if (yr==cur_yr && mnth>cur_mnth)  //comparing month
		{
		    alert ("Selected date should not be greater than current date");
			document[eval("obj")].value="";
			//this.frm.txtdate.focus();
			return false;
		}
		else if (yr==cur_yr && mnth==cur_mnth && day>cur_day)  //comparing day
		{
			alert ("Selected date should not be greater than current date");
			document[eval("obj")].value="";
			//this.frm.txtdate.focus();
			return false;
		}
		else
		{
		for (i=0;i<len;i++)
		{
			if (i == 2 || i == 5)   //leaving separator
			{//do nothing

			}
			else
			{
				if(dat.substr(i,1)<"0" || dat.substr(i,1)>"9")
				{
			        alert ("Selected date should not be greater than current date");
					document[eval("obj")].value="";
					//this.frm.txtdate.focus();
					return false;
					break;			
				}
			}
		}//end of for
		}//end of else
	}//end of if*/
}