// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Author: David Collins (david.collins@hikisolutions.co.uk)
// Date: 16 July 2008
// Description: submit search when enter is pressed 
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
function SearchEnterCheck() 
{
	var Button = null;
	if (event.keyCode == 13) 
	{ 
		event.returnValue=false; 
		event.cancel=true; 

		var ctl = event.srcElement;

		// Move up to the fieldset element		
		found=false;
		while(!found)
		{
			if (ctl == null){found = true}
			else
			{
				if(ctl.tagName!="FIELDSET") {ctl = ctl.parentNode;}	
				else{found=true;}			
			}
		}
		if (ctl!=null) 
		{
			var ndl = ctl.getElementsByTagName("input");
			ctl=null;
			for (i=0; i<ndl.length; i++) 
			{	
				if (ndl[i].type=="submit") Button = ndl[i];
				if (ndl[i].type=="image") Button = ndl[i];
			}
			if (Button!=null) Button.click();
		}
	}															
}