function get_height()
		{
		   var myWidth = 0, myHeight = 0;
		   if( typeof( window.innerHeight ) == 'number' )
		   {
		       //Non-IE
		       myWidth = window.innerWidth;
		       myHeight = window.innerHeight;
		   }
		   else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) )
		   {
		       //IE 6+ in 'standards compliant mode'
		       myWidth = document.documentElement.clientWidth;
		       myHeight = document.documentElement.clientHeight;
		   }
		   else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) )
		   {
		       //IE 4 compatible
		       myWidth = document.body.clientWidth;
		       myHeight = document.body.clientHeight;
		   }
		   var param = new Array();
		   param[1] = myWidth;
		   param[2] = myHeight;

		   return param;
		} 
function resize() {
		var heig = get_height();
		if (heig[2] > 800) 
			document.getElementById("cunning").style.height = "680px";
		else if (heig[2] < 700) 
			document.getElementById("cunning").style.height = "580px";
		else document.getElementById("cunning").style.height = 580+heig[2]-700;
		document.getElementById("cunning").style.width = "100%";
}