function Check()
{
	//alert("Hello"); 
		//var inputKey =  event.keyCode;
		//var varName=document.getElementById("octlSearch_txtSearch");
		
		return CheckText();
}


function CheckValue()
{
	
	var inputKey =  event.keyCode;
	//var varName=document.getElementById("octlSearch_txtSearch");
    	
	if(inputKey==13)
	{	
		return CheckText();	
		
	}
	
}

function CheckText()
{
		var varName=document.getElementById("octlSearch_txtSearch");
		if(Trim(varName.value)=="")
		{
			alert("Please provide the search criteria.");
			return false;		
		}
		else if(varName.value=="&" || varName.value=="$" || varName.value=="+")
		{
			alert("Please provide valid search criteria.");
			return false;
		}
		else
		{
			return true;
		}
}

function Ltrim(obj)
	{
		
				
		for(i=0;i<obj.length;i++)
		{
		
				if(obj.substr(i,1)!=" ")
				{						
					break;	
				}				
					
		}
				
		obj=obj.substr(i,obj.length)
		return	obj;
				
	}
	
		
	function Rtrim(obj)
	{
		
		for(i=(obj.length)-1;i>=0;i--)
		{
		
				if(obj.substr(i,1)!=" ")
				{
					break;
				}		
					
		}
				
		obj = obj.substr(0,i+1)
		return obj;
	}	
	
			
	function Trim(obj)
	{
		
		return Rtrim(Ltrim(obj));
	}