function Validate(theForm)
{
	var errMesg = "";
	var diplayMesg = ""
	var Q = ""; // this block determines lifespan of Q
	
	if (isWhitespace(theForm.username.value))
	{
		Q += " User Name\n";
	}
	
	if (isWhitespace(theForm.password.value))
	{
		Q += " Password\n";
	}
	
	if ( Q.length > 0 )
	{
		diplayMesg = "Please provide Valid values for\n" + Q ;
		//errMesg += "Please provide Valid values for\n" + Q ;
	
	}

	if (errMesg == "" && diplayMesg == "")
	{
		//theForm.submit();
	}
	
	else
	{
			if(diplayMesg!="")
			{
				alert(diplayMesg);
				return false;			
			}
			else
			{
				alert(errMesg);
				return false;
			}	
	}
	
}

function searchvalidation()
{
		var theForm	=	document.search_form;
	
	if(!theForm.year.value && theForm.main_show_id.value)
	{
		alert("Please Select Show Year");
		return false;
	}
	else if(!theForm.main_show_id.value && theForm.year.value)
	{
		alert("Please Select Show Name");
		return false;	
	}
	
	if(isWhitespace(theForm.title.value)&&isWhitespace(theForm.author.value)&&isWhitespace(theForm.publisher.value)&&isWhitespace(theForm.select_cat.value)&&isWhitespace(theForm.isbn_no.value) && (theForm.book_preview.checked == false) && (!theForm.main_show_id.value))
	{
		alert('Please select atleast one.\n Title or Author or Publisher or Category or ISBN/ISSN or Book Preview \n or Show');
		return false;
	}
	else if(isNaN(theForm.isbn_no.value)==true)
	{
		alert('ISBN/ISSN should be numeric');
		return false;				
	}
	else
	{
		return true;	
	}
	
}//end of searchvalidation