function getWindowHeight() 
	{ 
		var myHeight = 0; 
		if( typeof( window.innerHeight ) == 'number' ) 
		{ 
		  //Non-IE 
		   myHeight = window.innerHeight; 
		}
		else if( document.documentElement && ( document.documentElement.clientHeight || document.documentElement.clientHeight ) ) 
		{ 
		  //IE 6+ in 'standards compliant mode' 
		  myHeight = document.documentElement.clientHeight; 
		}
		else if( document.body && ( document.body.clientHeight || document.body.clientHeight ) )
		{ 
		  //IE 4 compatible 
		  myHeight = document.body.clientHeight; 
		}
		 
		return myHeight; 
	} 
	
	function getWindowWidth() 
	{ 
		var myWidth = 0; 
		if( typeof( window.innerWidth ) == 'number' ) 
		{ 
		  //Non-IE 
		   myWidth = window.innerWidth; 
		}
		else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientWidth ) ) 
		{ 
		  //IE 6+ in 'standards compliant mode' 
		  myWidth = document.documentElement.clientWidth; 
		}
		else if( document.body && ( document.body.clientWidth || document.body.clientWidth ) )
		{ 
		  //IE 4 compatible 
		  myWidth = document.body.clientWidth; 
		}
		 
		return myWidth; 
	} 	
	
	function textCounter(field, countfield, maxlimit) 
	{
		if (field.value.length > maxlimit) field.value = field.value.substring(0, maxlimit);
	
		else countfield.innerHTML = maxlimit - field.value.length;
	}